Disable rollback segments?

Hey folks,

Is there any way to temporarily turn off use of a rollback segment? Often I need to delete everything from a table. In the past I've tried 2 approaches:

1. I say, DELETE FROM table; It takes a long time because it's writing the changes to a rollback segment. Then it blows out that RS. So I say, SET TRANSACTION USE ROLLBACK SEGMENT x; DELETE FROM table; It takes a long time and it still blows out the new RS.
2. I say, DROP TABLE table; Then I have to re-create it, re-grant access to it, etc. It's a bit of a pain.

I've looked at the following commands, but I haven't found anything helpful.

	SET TRANSACTION
	ALTER SESSION
	ALTER SYSTEM
	DROP TABLE 

Thanks in advance...

Jeff Chamblee			 "I am but mad north-north-west.  When the wind
Computer Sciences Corp. 	 is southerly, I know a hawk from a handsaw."
Laurel, MD 20707 USA 		  --Hamlet